It has always been the habit of Catholic in danger and in troublous times to fly for refuge to Mary, and to seek for peace in Her maternal goodness; showing that the Catholic Church has always, and with justice, put all her hope and trust in the Mother of God. And truly the Immaculate Virgin, chosen to be the Mother of God and thereby associated with Him in the work of man's salvation, has a favour and power with Her Son greater than any human or angelic creature has ever obtained, or ever can gain
Pope Leo XWe have devoted ourselves to the government and extension of the Church, and, among other objects, we have conceived it to be our duty to foster especially literature and the fine arts ... next to knowledge and true worship of the Creator, nothing is better or more useful to mankind than such studies.
Pope Leo XTo deny that in a child after baptism sin remains is to treat with contempt both Paul and Christ.
Pope Leo XNot the Christian religion only, but nature herself, cries out against the state of slavery.
Pope Leo XIf the Almighty in his mercy allows us to settle peace among the christian leaders, we shall press on not only to destroy completely the bad seeds, but also to expand the territories of Christ, and, supported by these achievements, we shall go forward, with God favouring his own purposes, to the most holy expedition against the infidels, the desire for which is deeply fixed in our heart.
Pope Leo X